Management And Costs of Field Shelling And Artificial Drying of Corn in Illinois
Management And Costs of Field Shelling And Artificial Drying of Corn in Illinois
Velmar W Velmar Walk Davis
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Average operating costs of the principal power units were not greatly different (Tables 10 and 11). The tractor for the pull-type machine required more fuel because it pulled the field sheller and furnished power through the power take-off to operate the picker-and- shelling units. For the picker-and-sheller, the tractor carried the mounted picker, operated the picker, and pulled the trailing sheller. It required somewhat less power than was necessary for the pull-type machine. The average oper...ating costs for picker-and-sheller were the highest of any of the field-shellers because two separate power units were used. Total field-shelling costs per 100 bushels were highest for the picker-and-sheller at all volumes and least for the pull-type machine up to 18, 000 bushels (Table 12). Above 18, 000 bushels, the self- propelled machine was the most economical. Because of lower operat- ing costs, the self-propelled machine was the least costly at large volumes of operation. Although few farmers harvest as much as 18, 000 bushels annually, the self-propelled machine is increasing in popularity Table 12.
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